201009111110Classification of Base Metal & Welding Material

 

Classification of Base Metal & Welding Material

 

2

Bese Metal

Mild Steel and 490N/mm  High Tensile Steel

Product Name

Welding Process

AWS Spec.

Welding Position

SFC-701

FCAW-G

(Shielding gas)

A5.20

E70T-1C

Flat,Horizontal

SFC-71

E71T-1C,1M

Flat,Horizontal

Vertical(&V-D),Overhand

SFC-70C

E71T-1M

Flat,Horizontal,

Vertical,Overhand

SFC-704-O

FCAW-S

(Self-shield)

E70T-4

Flat,Horizontal

SFC-707-O

E70T-7(DC-)

Flat,Horizontal

SMG-6

GMAW

A5.18

ER70S-6

Flat,Horizontal,

Vertical,Overhand

SMG-8

ER70S-G

Flat,Horizontal,

Vertical,Overhand

SSF56×SW-M12K

(Flux×Wire)

SAW

A5.17

F7A2-EM12K

Flat,H-Fillet

SSF56×SW-M12K

 (Flux×Wire)

F7A2-EM12K

Flat,H-Fillet,

Horizontal

SM-10

SMAW

A5.1

E6019

Flat,Horizontal,

Vertical,Overhand

SL-27L

E6027

F,H-Fillet

SL-50

E7016

Flat,Horizontal,

Vertical,Overhand

SL-56

E7028

Flat,H-Fillet

SF600/SW-6

SESNET FLUX/WIRE

ESW

A5.25

FES70-ES-G-EW

V-UP

SF600/SW-7

SESNET FLUX/WIRE

FES70-ES-G-EW

SFC-721

(FCW)

EGW

(SES)

A5.26

EG72T1

V-UP


Comparison of Arc Welding Processes

Welding Method

Main Characteristcs

G.M.A.W

F.C.A.W

S.A.W

S.M.A.W

Remark

Shielding Gas

CO2

CO2 or mixed gas

The flux cored wires have two kinds, one is innershield, the other is outershield.

Welding Current

150~500A

250~600A

400~1500A

80~500A

Flexibility

flexible

flexible

less flexible

relatively flexible

Welding Operation

technique

technique

less technique

relatively technique

Spatter Quantity

more

less

more

Bead Appearance

good

better

excellent

good

Depth of Penetration

deep

deeper

deepest

shallow

Slag Detachability

less easy

relatively easy

relatively easy

easy

Wind Speed Over

2 m/secPorosity Resistance

bad

bad

better

good

Range of Dia.(mm)

ψ0.6~1.6

ψ1.2~2.4

ψ2.4~6.4

ψ2.6~8.0

Operation Factor

40%

45%

60%

30%

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